:root{--bg:#0e1116;--panel:#171b22;--border:#262c36;--text:#e6edf3;--muted:#8b949e;--accent:#3b82f6;--good:#22c55e;--warn:#f59e0b;--bad:#ef4444}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.topbar{display:flex;align-items:center;gap:2rem;padding:.75rem 1.5rem;border-bottom:1px solid var(--border);background:var(--panel)}.brand{font-weight:700;letter-spacing:-.01em}.topbar nav{display:flex;gap:1.25rem}.topbar a{color:var(--muted);text-decoration:none}.topbar a:hover{color:var(--text)}.container{max-width:1080px;margin:0 auto;padding:1.5rem}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:1rem;gap:1rem}.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:1rem 1.25rem}.stat{font-size:1.8rem;font-weight:700}.label{color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.label,.trend{font-size:.85rem}.trend{font-weight:600;padding:.15rem .5rem;border-radius:999px}.trend.improving{background:rgba(34,197,94,.15);color:var(--good)}.trend.stable{background:hsla(212,9%,58%,.15);color:var(--muted)}.trend.declining{background:rgba(239,68,68,.15);color:var(--bad)}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:.6rem .5rem;border-bottom:1px solid var(--border)}th{font-weight:600;font-size:.85rem}.rationale,th{color:var(--muted)}.rationale{font-size:.9rem}.notice{background:rgba(59,130,246,.08);border:1px solid rgba(59,130,246,.3);padding:1rem}.notice,a.btn{border-radius:8px}a.btn{display:inline-block;background:var(--accent);color:#fff;padding:.5rem 1rem;text-decoration:none}input,select{background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:.5rem .75rem;font:inherit;min-width:180px}input:focus,select:focus{outline:2px solid var(--accent)}code{background:var(--bg);padding:.1rem .35rem;border-radius:4px;word-break:break-all}